JAMB Mathematics 2023 Objective — Question 3
Question 3 of 40 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2023 Objective paper, with the correct answer and a full explanation.
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If α and β are the roots of the equation 3x²+5x-2=0, find the value of 1/α + 1/β.
- A. -5/3
- B. -2/3
- C. 5/2Correct
- D. 3/4
Explanation
Sum of roots=-5/3, product=-2/3. 1/α+1/β=(α+β)/αβ=(-5/3)/(-2/3)=5/2.
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